package com.foreknow.service;

import com.foreknow.bean.Guestbook;

import java.sql.SQLException;
import java.util.List;

public interface GuestbookService {
  /**
   * 查询所有留言信息
   * @return
   */
  public List<Object> queryInfo();
  
  public boolean add(Guestbook gb);

  public boolean delete(Integer id);
}
